WD 0806-661 B

WD 0806-661 B

Spectral type

Y

Details

Mass

6–9 M♃

Temperature

300–345 K

WD 0806-661 B is a small brown dwarf star or exoplanet orbiting the white dwarf WD 0806-661 A at a radius of 2500 AU, around 63 light years away from Earth. This system has the largest known separation between a star and an accompanying planetary-mass body, as of 2017.